Heat and mass transfer in peristaltic flow of MHD non-miscible micropolar and Newtonian fluid through a porous saturated asymmetric channel

Abstract

The current flow problem primarily focuses on the production of entropy as a result of radiative heat and mass transfer during peristaltic transport of non-miscible Newtonian and micropolar fluid through a porous saturated channel. The movement of immiscible fluid has been simulated using a two-phase flow model with Newtonian fluid at the channel's periphery and micropolar fluid in the core area. Here, under the long-wavelength approximation and low Reynolds number assumption, the linearized governing fluid flow equations were solved by classical technique and obtained closed-form solutions for pressure rise, volume flow rate, velocity, temperature distribution, and concentration. In the present peristaltic flow problem, authors evaluated the entropy analysis in non-miscible type of Newtonian and micropolar fluid through the porous saturated channel under the influence of heat radiation, mass transfer, and an oriented magnetic field. The production of entropy and Bejan number due to concentration distribution in peristaltic motion of non-miscible type of Newtonian and micropolar fluid in a porous medium is the novelty of the work. From this study, we obtained that on raising the Soret and Schmidt number, the concentration of the immiscible micropolar and Newtonian fluid drops, and entropy generation number rises. Also, the temperature and flow distribution of the immiscible micropolar and Newtonian fluid get decreased on raising the permeability parameter and Hartmann number. The authors come to the significant conclusion that, during the peristaltic motion of immiscible fluid in a porous saturated asymmetric channel, naturally occurring porous material achieved higher values of flow properties like axial pressure gradient, temperature profile, concentration, and entropy generation number than man-made porous material. The newly obtained findings of the present peristaltic flow problem are validated with the past published research work. The findings of this study may be used in biomedical engineering, applications, including the thermal therapy procedure.